Geo-environmental quality assessment in Jharia coalfield,India, using multivariate statistics and geographic information system |
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Authors: | Bhabesh C Sarkar Bashab N Mahanta Kalyan Saikia Pradip R Paul Gurdeep Singh |
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Institution: | (1) Indian School of Mines, Dhanbad, 826004, Jharkhand, India;(2) Central Mine Planning and Design Institute Limited, RI–II, Koyla Nagar, Dhanbad, 826005, Jharkhand, India |
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Abstract: | A study on geo-environmental quality assessment in Jharia coalfield, India, has been attempted using multivariate statistical
analysis and geographic information system (GIS) modelling techniques. Water quality index, calculated for each sample network
station in the study area to assess the suitability of water for human consumption, revealed very poor to poor quality surface
water and mine water. Air quality indexing indicated that there is no sample station with clean air as per the Indian standards,
which indicate the hazardous air quality. Multi-criteria evaluation (MCE), a potential GIS tool, has been applied to the delineation
of various degrees of stressed villages in terms of quality of life (QoL). The role of various geo-environmental parameters
such as quality of groundwater, surface water, mine water and air together with village population densities has been emphasized
for delineation of the environmentally stressed villages in Jharia coalfield. The integrated cluster analysis and MCE approach
provide an improved means to geo-environmental quality assessment in Jharia coalfield in terms of QoL. The assessment study
is aimed to be used for future coal mining, ensuring ecologically sustainable industrial development, particularly in a coalfield. |
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Keywords: | Jharia coalfield Geo-environment Multivariate statistics GIS |
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